| Biggest Countries by Population | 0 | - | 4.99 | 1,321,195 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,620 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,896 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.96 | 163,006 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 105,005 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,412,886 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,302 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,129,289 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,196,954 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,844 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,638 |
| Members of the Arab League | 0 | - | 4.85 | 64,734 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,017 |
| Himalayan Countries | 0 | - | 4.95 | 106,974 |
| Andean Countries | 0 | - | 4.91 | 59,497 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,565 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,313 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,682 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,571 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,867 |
| Danube Countries | 0 | - | 4.96 | 57,009 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,025 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,122 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,105 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,983 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,264 |
| European Landlocked Countries | 0 | - | 4.99 | 136,585 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,391 |
| Countries with the Most Species | 0 | - | 4.99 | 89,714 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,892 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,894 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,189 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,737 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,675 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,952 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,567 |
| Countries in the Alps | 0 | - | 4.84 | 103,363 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,971 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,475 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,987 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,046 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,524 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,011 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,175 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,517 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,545 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,109 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,870 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,831 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,881 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,222 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,386 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,944 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,504 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,694 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,779 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,722 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,249 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,602 |
| Largest Countries By Category | 0 | - | 4.97 | 145,815 |
| Countries by Countries | 0 | - | 4.96 | 55,198 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,483 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,996 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,012 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,853 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 147,039 |
| Coldest Countries | 0 | - | 4.97 | 125,580 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 48,373 |
| Countries by Airline Passengers | 0 | - | 4.91 | 49,493 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,133 |
| Countries with the Most Nobel Prizes | 0 | - | 4.86 | 84,137 |
| Countries with the Least Precipitation | 0 | - | 4.89 | 68,480 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,192 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,544 |
| Island Countries Quiz | 0 | - | 4.99 | 665,226 |
| Biggest Countries by Area | 0 | - | 5.00 | 941,064 |
| Northernmost Countries | 0 | - | 4.99 | 329,484 |
| Countries of South America | 0 | - | 5.00 | 803,099 |
| Countries of Oceania | 0 | - | 5.00 | 905,099 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,594,773 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,894 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 283,517 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 102,034 |
| Countries with the Most Exports | 0 | - | 4.96 | 138,925 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 163,844 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,129 |
| Largest Economies in 2050 | 0 | - | 4.90 | 100,782 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 391,887 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 240,977 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,418 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 67,321 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,743 |
| Countries with Megacities | 0 | - | 4.99 | 200,008 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,563 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,068 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,122 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,050 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,793 |
| Countries by Official Language | 0 | - | 4.96 | 174,289 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,438 |
| Countries in their Native Language | 0 | - | 4.98 | 179,481 |
| Independence from Whom | 0 | - | 4.99 | 187,716 |
| Subdivisions by Country | 0 | - | 4.82 | 46,714 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,699 |
| Megadiverse Countries | 0 | - | 4.96 | 126,206 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,600 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,183 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,652 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,415 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,547 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,895 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,719 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,416 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,694 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,523 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,982 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,622 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,173 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,054 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,692 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 84,598 |
| World Map Quiz | 0 | - | 4.91 | 50,553 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,212 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,652 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,976 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,231 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,926 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,113 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,502 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,569 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,626 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,100 |
| Widest Countries East to West | 0 | - | 4.93 | 120,066 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,010 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,885 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,412 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,025 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,193 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,086 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,796 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,649 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,265 |
| Countries with Double Letters | 0 | - | 4.96 | 70,121 |
| Countries that End in N | 0 | - | 4.94 | 134,335 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,710 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,065 |
| Countries with W | 0 | - | 4.96 | 124,269 |
| Countries with Z | 0 | - | 4.98 | 246,376 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,505 |
| Countries That End in U | 0 | - | 4.95 | 108,391 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,930 |
| Countries that End in O | 0 | - | 4.92 | 147,922 |
| Countries that End in R | 0 | - | 4.84 | 96,890 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,690 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,835 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 156,996 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,177 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,118 |
| Countries That End in Y | 0 | - | 4.90 | 162,041 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,143 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,813 |
| Countries that End in I | 0 | - | 4.92 | 114,891 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,693 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,995 |
| Countries That End in NIA | 0 | - | 4.93 | 101,411 |
| Countries That End in BIA | 0 | - | 4.91 | 126,802 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,359 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,442 |
| Countries That End in RIA | 0 | - | 4.90 | 101,521 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,173 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,092 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,800 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,869 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,486 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,263 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,531 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,321 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,711 |
| Countries that End in L | 0 | - | 4.95 | 135,306 |
| "Land" Countries | 0 | - | 4.98 | 291,372 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,519 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,312 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,897 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,706 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 72,202 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 209,904 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 169,021 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,252 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 134,113 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,333 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,705 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,301 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,857 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,883 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 56,999 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,095,001 |
| One Border Countries | 0 | - | 4.98 | 412,962 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,436,360 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.75 | 57,453 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,436 |
